Welcome to our shop! 1、4 Ports: This PCIe to USB3.0 expansion card adds 2 x external USB 3.0 Type A port and 1 x RJ45 Gigabit LAN port, 1 x internal USB 3.0 19-pin to desktop computer. 2、5Gbps High Speed: All additional USB 3.0 ports can provide 5Gbps super speed for video and audio data transmission, RJ45 port supports 10/100/1000Mbps adaptive speed, supports full duplex and half duplex working mode. 3、Widely Compatible: This PCI Express to Ethernet RJ45 card is suitable for PCIE x1, x4, x8, x16 slots. Suitable for Win XP, for Win 7, 8, 8.1, 10, for Linux. 4、PCIe to RJ45: This PCIe to RJ45 expansion card converts PCIe slots (X1/X4/X8/16) to RJ45 Gigabit Ethernet ports. Note: Only for PCIe slots, not for PCI slots. 5、15 Pin Power: This PCIe to USB3.0 expansion card uses 15 pin interface, providing sufficient power for high speed transmission. It supports hot swap, plug and play. Item Type: PCIe to USB3.0 Expansion Card Material: Printed Circuit Board Expansion Interface: USB3.0 x 2 (External) + Gigabit Network Interface x 1 + 19-Pin USB3.0 (Internal) + 15-Pin Power Applicable Interface: PCI E 1x, PCI E 4x, PCI E 8x, PCI E16x Product Features: PCI Express 2.0: PCI Express 2.0 Specification, VL805, AX88179 High Performance Chips Expansion: Expand 3 high speed USB3.0 interfaces and one Gigabit network interface Self Adaptation: Automatically adapt to 10/100/1000 Mbps speed, supports Full Duplex, Half Duplex Working Mode Wide Compatibility: Support a variety of network operating systems Strong Power Supply: USB3.0 interface provides 5V900MA super strong power supply, power supply is sufficient and stable Plug and Play: Support Hot Swap, Plug and Play SATA 15-Pin Power Supply: Sufficient and stable power supply, ensures stable operation of equipment Package List: 1 x PCIe to USB3.0 Expansion Card 1 x Screw Your 100% satisfaction is our top priority. We will provide you with the best service. If you find any problems after receiving the product, such as damage, incorrect quantity, etc., please contact us immediately and we will give you the best solution!